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Glucosamine

A building block of cartilage, and one of the best-selling joint supplements in the world. Which salt you buy matters more than the marketing suggests: the sulfate and the hydrochloride have different trial records, and the largest independent trial tested the hydrochloride.

Choose the right form

Not all forms of Glucosamine do the same thing. The form determines what it’s absorbed by and what it’s good for.

Glucosamine Sulfate

The form used in the long-running European trials, most of which were run by the company selling it.

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Glucosamine HCl

The form used in the largest independent trial, where it did not beat placebo.

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Choose the right form

Take the research with you.